A Car Moving at a Steady 10 M/s on a Level

question 46

Multiple Choice

A car moving at a steady 10 m/s on a level highway encounters a depression that has a circular cross-section with a radius of 30 m.The car maintains its speed as it drives through the depression.What is the normal force exerted by the seat of the car on a 60.0-kg passenger when the car is at the bottom of the depression?

• A)200 N
• B)390 N
• C)790 N
• D)490 N
• E)590 N

Understand the concepts and theories related to attitudes and attitude change, including the elaboration likelihood model.

Grasp the factors influencing the effectiveness of persuasion, including source credibility, message characteristics, and audience factors.

Recognize the role of classical and operant conditioning in developing attitudes.

Identify and explain cognitive dissonance and how it influences attitude and behavior change.

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Definitions:

Mesoglea

Jellylike layer between the epidermis and gastrodermis in cnidarians and ctenophores.

Cnidaria

A phylum of aquatic invertebrates known for their distinctive body structure, which includes nematocysts, and comprises jellyfish, corals, and sea anemones.

Corals

Marine invertebrates in the class Anthozoa that often live in compact colonies and are renowned for constructing large, intricate calcium carbonate structures.

Hydrozoans

A diverse group of mostly marine animals from the class Hydrozoa, which includes both solitary and colonial species like the Portuguese man-of-war.